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038db406c1
* multi-table updates * new paid feature for limiting number of queries per hour for users * optional syntax for multi-table deletes * optimization for SQL_CALC_FOUND_ROWS * a small addition for CREATE .. SELECT that will be of future use I know that all this will require many additions to documentation, which I have not done, but I am at Arjen's disposal to help him document all this.
53 lines
1.5 KiB
Text
53 lines
1.5 KiB
Text
#
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# Only run the test if we are using --big-test, because this test takes a
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# long time
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#
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#-- require r/big_test.require
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#eval select $BIG_TEST as using_big_test;
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drop table if exists t1,t2,t3;
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create table t1(id1 int not null auto_increment primary key, t char(12));
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create table t2(id2 int not null, t char(12));
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create table t3(id3 int not null, t char(12), index(id3));
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disable_query_log;
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let $1 = 100;
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while ($1)
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{
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let $2 = 5;
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eval insert into t1(t) values ('$1');
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while ($2)
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{
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eval insert into t2(id2,t) values ($1,'$2');
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let $3 = 10;
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while ($3)
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{
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eval insert into t3(id3,t) values ($1,'$2');
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dec $3;
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}
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dec $2;
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}
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dec $1;
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}
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enable_query_log;
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update t1,t2,t3 set t1.t="aaa", t2.t="bbb", t3.t="cc" where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 90;
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delete t1.*, t2.*, t3.* from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 95;
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check table t1, t2, t3;
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select count(*) from t1 where id1 > 95;
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select count(*) from t2 where id2 > 95;
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select count(*) from t3 where id3 > 95;
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delete t1, t2, t3 from t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 5;
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select count(*) from t1 where id1 > 5;
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select count(*) from t2 where id2 > 5;
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select count(*) from t3 where id3 > 5;
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delete from t1, t2, t3 using t1,t2,t3 where t1.id1 = t2.id2 and t2.id2 = t3.id3 and t1.id1 > 0;
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# These queries will force a scan of the table
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select count(*) from t1 where id1;
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select count(*) from t2 where id2;
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select count(*) from t3 where id3;
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drop table t1,t2,t3;
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